Shiki is one of the main characters in Senran Kagura. A first-year student at Gessen Girls' Academy. She uses high-spirited gyaru language and makes friends everywhere she goes, often texting them at inappropriate times. A carefree, free spirited party girl.
- She can get physically close to Yumi.
- At Senran Kagura:Estival Versus OVA, she stripped Yumi, winning a game of booby rock paper scissors to determine whether they can go to the spa resort invitation card they received.
- At Senran Kagura: Estival Versus game, She asked Yagyū to go on a date to see a horror movie.